Methods and systems for neutral-to-ground communication

Details Methods and systems for neutral-to-ground communication Methods and systems for neutral-to-ground communication

H - Electricity

04

B

H04B 3/54 (2006.01)

Patent

CA 2358633

A method of distributing wide band data using a neutral-to-ground circuit within an electrical wiring installation includes modifying a load center (14) with an interface module (32) which interfaces to the neutral-to-ground circuit and configuring the interface module to compensate for varying impedance within the neutral-to-ground circuit to improve data transmission characteristics. Multiple embodiments are included within the method for compensation of varying impedance including channel sounding, spectral waterfilling, and communications using spread spectrum techniques, for example, frequency hopping and direct sequencing techniques.

Méthode de distribution de données à large bande à l'aide d'un circuit de mise à la terre du point neutre dans un câblage électrique; la méthode consiste à modifier un centre de distribution (14) au moyen d'un module d'interface (32) qui est relié au circuit de mise à la terre du point neutre, et à configurer le module d'interface de façon à compenser la variance de l'impédance dans ledit circuit afin d'améliorer les caractéristiques de transmission des données. De multiples réalisations de l'invention figurent dans la méthode de compensation de la variation d'impédance, y compris le sondage des canaux, l'irrigation spectrale et la communication en ayant recours à des techniques d'étalement de spectre, par exemple des techniques de sauts de fréquences et de séquences directes.

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